ITEM NAME:15cm Multifunctional PCB Ruler Measuring Tool Resistor Capacitor Chip IC SMD M&O Features: Material: PCB Font size guide, trace-width diagram, and a set of AWG-sized drills Centimeter side: 0.1cm marks The measurement length: 15 cm Measuring length : 6 inches Size: 25.4mmx 152.4mm.Material: PCB. Size: 25.4mmx 152.4mm.